diff --git a/admin/export_data_spss.php b/admin/export_data_spss.php
index 8ecfff4a9e5..ccc25709e00 100644
--- a/admin/export_data_spss.php
+++ b/admin/export_data_spss.php
@@ -284,7 +284,7 @@
             if (!preg_match ("/^([a-z]|[A-Z])+.*$/", $ftitle)) {
                 $ftitle = "q_" . $ftitle;
             }
-            $ftitle = str_replace(array(" ","-",":",";","!","/","\\"), array("_","_hyph_","_dd_","_dc_","_excl_","_fs_","_bs_"), $ftitle);
+            $ftitle = str_replace(array(" ","-",":",";","!","/","\\","'"), array("_","_hyph_","_dd_","_dc_","_excl_","_fs_","_bs_",'_qu_'), $ftitle);
             if ($ftitle != $field['title']) echo "* Variable name was incorrect and was changed from {$field['title']} to $ftitle .\n";
             echo "RENAME VARIABLE ( " . $field['id'] . " = " . $ftitle . " ).\n";
         }